I was contacted by a homeowner with a bunch of spr-x21-350-blk-d-ac that were removed for roof replacement right around the time that SunPower went bankrupt. All the cabling is missing, and I'm not sure if the monitoring system is even viable anymore.
Any suggestions for how to handle this? I think the IQ8X microinverter might be compatible and the DC leads from the panel might be long enough if I frame mount the microinverter or carefully position microinverters on the rail. The other issue I have is all of the proprietary clamps for these panels are missing. Can these panels be top clamped with standard UFO or other mid clamps? I have been helping quite a few people get systems with SunPower branded Enphase microinverters converted over to the Enlighten monitoring portal, but I am not familiar with the microinverters on the spr-x21-350-blk-d-ac. Jason Szumlanski Florida Solar Design Group
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